Dictionary of Nomenclature of Celestial Objects
(Last update: 11-Oct-2019)

Result of query: info cati ITS2007]$

Details on Acronym:   [ITS2007]
   [ITS2007] (Izotov+Thuan+Stasinska, 2007) Write:<<[ITS2007] NNNNN-NNNN-NNN>> N: 271 Object:HII  (SIMBAD class: HII = HII (ionized) region) Note:HII regions selected from the SDSS DR5. In the format the first NNNNN stands for the middle Julian date (MJD) of the observation, the second NNNN for the plate number, and the last NNN for the fiber number. Ref:=2007ApJ...662...15I byIZOTOV Y.I. , THUAN T.X., STASINSKA G. Astrophys. J., 662, 15-38 (2007) The primordial abundance of ^{4}He: a self-consistent empirical analysis of systematic effects in a large sample of low-metallicity H II regions. oTable 1: <[ITS2007] NNNNN-NNNN-NNN> N=271. =E=Catalogue in electronic form as J/ApJ/662/15 Originof the Acronym: S = Created by Simbad, the CDS Database

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